Home / 121,956.21-182,697.59-89,877.02

Finding the Fourth Proportional to 121,956.21, 182,697.59 and 89,877.02

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Solution

The fourth proportional to 121,956.21, 182,697.59 and 89,877.02 is: 134,641.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,956.21 : 182,697.59 = 89,877.02 : x
  2. Step 2: Convert to fraction form
    121,956.21/182,697.59 = 89,877.02/x
  3. Step 3: Cross multiply
    121,956.21x = 182,697.59 × 89,877.02
  4. Step 4: Simplify right side
    121,956.21x = 16,420,314,950.38
  5. Step 5: Solve for x
    x = 16,420,314,950.38/121,956.21
  6. Step 6: Final answer
    x = 134,641.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.